SOLUTION: A NUMBER IS INCREASED BY ITS OWN VALUE AND THEN DECREASED BY 7 THE ANSWER IS 23. WHAT IS THE NUMBER

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Question 1201126: A NUMBER IS INCREASED BY ITS OWN VALUE AND THEN DECREASED BY 7 THE ANSWER IS 23. WHAT IS THE NUMBER
Answer by ikleyn(52884) About Me  (Show Source):
You can put this solution on YOUR website!
.

    x + x - 7 = 23

      2x      = 23 + 7 = 30

       x               = 30/2 = 15.


ANSWER.  The number is 15.

Solved.